01 - Preheat oven to 425°F and line a large baking sheet with parchment paper.
02 - Place sweet potato cubes in a large bowl. Add olive oil, maple syrup, cinnamon, salt, and pepper. Toss until evenly coated.
03 - Spread coated sweet potatoes in a single layer on the prepared baking sheet, ensuring pieces are not overcrowded.
04 - Roast for 25–30 minutes, turning once halfway through cooking, until sweet potatoes are golden brown and tender when pierced with a fork.
05 - Transfer roasted sweet potatoes to a serving dish and serve immediately while warm.